// 数字枚举
enum MONTH {
  January,
  February,
  March,
  April,
  May,
  June,
  July,
  August,
  September,
  October,
  November,
  December
}

enum LEVEL {
  P7 = 100,
  P8,
  P9
}

// 字符串枚举
enum MESSAGE {
  Success = 'success',
  Fail = 'fail'
}

// 异构
enum ANSWER {
  N,
  Y = 'YES'
}


// 枚举成员
enum CHAR {
  // const
  a,
  b = CHAR.a,
  c = 1 + 2,
  // computed
  d = Math.random(),
  e = '613'.length
}
